forked from dolphin-emu/dolphin
		
	
		
			
				
	
	
		
			66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include "Common/Common.h"
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class DataReader
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{
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public:
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	__forceinline DataReader()
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	: buffer(nullptr), end(nullptr) {}
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	__forceinline DataReader(u8* src, u8* _end)
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	: buffer(src), end(_end) {}
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	__forceinline u8* GetPointer()
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	{
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		return buffer;
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	}
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	__forceinline u8* operator=(u8* src)
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	{
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		buffer = src;
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		return src;
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	}
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	__forceinline size_t size()
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	{
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		return end - buffer;
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	}
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	template <typename T, bool swapped = true> __forceinline T Peek(int offset = 0)
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	{
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		T data = *(T*)(buffer + offset);
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		if (swapped)
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			data = Common::FromBigEndian(data);
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		return data;
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	}
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	template <typename T, bool swapped = true> __forceinline T Read()
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	{
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		const T result = Peek<T, swapped>();
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		buffer += sizeof(T);
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		return result;
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	}
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	template <typename T, bool swapped = false> __forceinline void Write(T data)
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	{
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		if (swapped)
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			data = Common::FromBigEndian(data);
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		*(T*)(buffer) = data;
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		buffer += sizeof(T);
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	}
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	template <typename T = u8> __forceinline void Skip(size_t data = 1)
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	{
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		buffer += sizeof(T) * data;
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	}
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private:
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	u8* __restrict buffer;
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	u8* end;
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};
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